/* *****************************************************************
    MESQUITE -- The Mesh Quality Improvement Toolkit

    Copyright 2006 Sandia National Laboratories.  Developed at the
    University of Wisconsin--Madison under SNL contract number
    624796.  The U.S. Government and the University of Wisconsin
    retain certain rights to this software.

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    (lgpl.txt) along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    (2006) kraftche@cae.wisc.edu

  ***************************************************************** */

/** \file RefMeshTargetCalculator.hpp
 *  \brief
 *  \author Jason Kraftcheck
 */

#ifndef MSQ_REF_MESH_TARGET_CALCULATOR_HPP
#define MSQ_REF_MESH_TARGET_CALCULATOR_HPP

#include "Mesquite.hpp"
#include "Vector3D.hpp"
#include "JacobianCalculator.hpp"
#include "MeshInterface.hpp"
#include "TargetCalculator.hpp"
#include "NodeSet.hpp"

namespace MBMesquite
{

class ReferenceMeshInterface;

class RefMeshTargetCalculator : public TargetCalculator
{
  public:
    MESQUITE_EXPORT RefMeshTargetCalculator( ReferenceMeshInterface* ref_mesh, bool orient_2d = false )
        : refMesh( ref_mesh ), orient2D( orient_2d )
    {
    }

    MESQUITE_EXPORT virtual ~RefMeshTargetCalculator();

    /**\brief Get a target matrix
     *
     *\param pd      The current PatchData
     *\param element The index an element within the patch data.
     *\param sample  The sample point in the element.
     *\param W_out   The resulting target matrix.
     */
    MESQUITE_EXPORT virtual bool get_3D_target( PatchData& pd,
                                                size_t element,
                                                Sample sample,
                                                MsqMatrix< 3, 3 >& W_out,
                                                MsqError& err );

    /**\brief Get a target matrix
     *
     *\param pd      The current PatchData
     *\param element The index an element within the patch data.
     *\param sample  The sample point in the element.
     *\param W_out   The resulting target matrix.
     */
    MESQUITE_EXPORT virtual bool get_2D_target( PatchData& pd,
                                                size_t element,
                                                Sample sample,
                                                MsqMatrix< 2, 2 >& W_out,
                                                MsqError& err );

    /**\brief Get a target matrix
     *
     *\param pd      The current PatchData
     *\param element The index an element within the patch data.
     *\param sample  The sample point in the element.
     *\param W_out   The resulting target matrix.
     */
    MESQUITE_EXPORT virtual bool get_surface_target( PatchData& pd,
                                                     size_t element,
                                                     Sample sample,
                                                     MsqMatrix< 3, 2 >& W_out,
                                                     MsqError& err );

    virtual bool have_surface_orient() const
    {
        return orient2D;
    }

  private:
    ReferenceMeshInterface* refMesh;
    bool orient2D;
};

}  // namespace MBMesquite

#endif
